With -current some minutes ago:

dependall ===> file
checking for a BSD-compatible install... /usr/toolchain-i386/bin/nbinstall -c  -r
checking whether build environment is sane... yes
[...]config.status: creating config.h
config.status: executing depfiles commands
/usr/toolchain-i386/bin/nbmake  -f /usr/src/tools/file/../Makefile.gnuwrap  all-recursive
Making all in src
if /bin/bash ../libtool --tag=CC --mode=compile cc -DHAVE_CONFIG_H  -I. -I/usr/src/tools/file/../../dist/file/src -I..  -DMAGIC='"/usr/toolchain-i386/share/file/magic"'    -O -MT magic.lo -MD -MP -MF ".deps/magic.Tpo" -c -o magic.lo /usr/src/tools/file/../../dist/file/src/magic.c;  then mv -f ".deps/magic.Tpo" ".deps/magic.Plo"; else rm -f ".deps/magic.Tpo"; exit 1; fi
mkdir .libs
 cc -DHAVE_CONFIG_H -I. -I/usr/src/tools/file/../../dist/file/src -I.. -DMAGIC=\"/usr/toolchain-i386/share/file/magic\" -O -MT magic.lo -MD -MP -MF .deps/magic.Tpo -c /usr/src/tools/file/../../dist/file/src/magic.c  -fPIC -DPIC -o .libs/magic.o
In file included from /usr/src/dist/file/src/file.h:43,
                 from /usr/src/dist/file/src/magic.c:30:
../config.h:3: error: parse error before '<<' token
In file included from /usr/src/dist/file/src/file.h:49,
                 from /usr/src/dist/file/src/magic.c:30:
/usr/include/stdint.h:45: error: parse error before "int8_t"
In file included from /usr/src/dist/file/src/magic.c:63:
/usr/include/netinet/in.h:229: error: parse error before "__int8_t"
/usr/include/netinet/in.h:246: error: parse error before "__int8_t"

*** Failed target:  magic.lo
*** Failed command: if /bin/bash ../libtool --tag=CC --mode=compile cc -DHAVE_CONFIG_H -I. -I/usr/src/tools/file/../../dist/file/src -I.. -DMAGIC='"/usr/toolchain-i386/share/file/magic"' -O -MT magic.lo -MD -MP -MF ".deps/magic.Tpo" -c -o magic.lo /usr/src/tools/file/../../dist/file/src/magic.c; then mv -f ".deps/magic.Tpo" ".deps/magic.Plo"; else rm -f ".deps/magic.Tpo"; exit 1; fi
*** Error code 1

Stop.
nbmake: stopped in /usr/src/tools/file/obj.i386/build/src